Bridge type contact support and contact

Abstract

The utility model relates to a bridge type contact support which comprises a main support, the main support is of a U-shaped structure and comprises a pair of side plates and a bottom plate, and the upper end and the lower end of each side plate are respectively provided with a lug plate used for installing a pressing rod. The auxiliary support is of a flat plate structure; the two sides of the auxiliary support are respectively provided with an inserting hole, an inserting plate is formed at the front end of the side plate, the inserting plate penetrates through the inserting holes, and the extending part of the inserting plate and the auxiliary support are riveted or welded, so that the auxiliary support and the main support are fixedly connected. The contact comprises the contact support, an upper contact assembly and a lower contact assembly. The bridge type contact support is formed by connecting the main support of the U-shaped structure and the auxiliary support of the flat plate structure in a spot welding or riveting mode, machining and manufacturing are more convenient, production efficiency is improved, the left side and the right side of the support are stressed in a balanced mode, and stability of the support is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drawer type circuit breaker, concretely relates to a bridge type contact support and contact. BACKGROUND

[0002] Bridge type contact support is an important part of bridge type contact, and the production and assembly efficiency, stability and performance of the support will directly affect the production and quality of the whole contact, and the current contact support has two forms of assembly form or plate bending forming.

[0003] The assembly form refers to the prior patent-CN203733737U-frame circuit breaker bridge type contact, and the main support mainly adopts upper clamping plates, lower clamping plates and a pair of pull shafts, is connected with the upper clamping plates and the lower clamping plates through the two pull shafts, and thus forms a quadrilateral contact support, and the support component of this form is too much, and the assembly efficiency is too low, which affects the production efficiency of the contact.

[0004] Plate bending forming refers to the prior patent CN218414310U-heat dissipation type power switch cabinet contact, and the support mainly adopts a sheet metal piece through three times of bending or a quadrilateral structure, and finally the support interface is welded or riveted.The support needs to be bent three times, and the bending difficulty is relatively large, and secondly, one side of the support is a bending structure, and the other side is a spot welding or riveting structure, and the stress of the two sides of the support is not uniform. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems that the prior art is insufficient, provides a bridge type contact support and contact, and solves the technical problems of unreasonable structure design, low production and manufacturing efficiency and uneven stress of the two sides of the support of the current contact support.

[0006] The utility model adopts the technical scheme that solves the technical problems:

[0007] First aspect:

[0008] A bridge type contact support is provided, which comprises

[0009] A main support is in U-shaped structure, which comprises a pair of side plates and a bottom plate, and the upper and lower ends of the side plates are respectively formed with ear plates for installing pressure rods;

[0010] A sub-support is in flat plate structure;

[0011] Holes are formed in the two sides of the sub-support, and the front end of the side plate is formed with an insertion plate, the insertion plate passes through the hole, and the protruding part of the insertion plate is riveted or welded with the sub-support to fixedly connect the sub-support with the main support.

[0012] Further, the first limiting plates are arranged at the front ends of the insertion plates, and the two first limiting plates are adapted to limit the transverse displacement of the busbar in the insertion hole.

[0013] Further, a pair of second limiting plates are arranged on the auxiliary support, and the second limiting plates are adapted to limit the longitudinal movement of the busbar in the insertion hole.

[0014] Further, the side plates are arranged at the ends of the auxiliary support, and the protruding parts of the side plates form support baffles.

[0015] Further, rod holes are arranged on the ear plates, and the rod holes between the two ear plates at the upper end are provided with an upper pressing rod, and the rod holes between the two ear plates at the lower end are provided with a lower pressing rod.

[0016] A plurality of clamping grooves for positioning the contact pieces are arranged at the upper and lower ends of the auxiliary support and the bottom plate, and the clamping grooves are distributed at equal intervals.

[0017] The upper pressing rod is adapted to press and hold the upper contact head assembly between the auxiliary support and the bottom plate, and the lower pressing rod is adapted to press and hold the lower contact head assembly between the auxiliary support and the bottom plate.

[0018] The second aspect is:

[0019] A bridge type contact support is provided, which comprises

[0020] A main support, which is a U-shaped structure, comprises a pair of side plates and a bottom plate, the side plates are provided with ear plates at the upper and lower ends thereof for mounting the pressing rods, and the side plates are provided with first limiting plates at the front ends thereof.

[0021] An auxiliary support, which is a flat plate structure.

[0022] The auxiliary support is located in the U-shaped opening of the main support, the two ends of the auxiliary support form insertion plates, insertion holes are arranged on the side plates, the insertion plates pass through the insertion holes, and the protruding parts of the insertion plates and the auxiliary support are riveted or welded to fixedly connect the auxiliary support and the main support.

[0023] Further, a pair of second limiting plates are arranged on the auxiliary support, and the second limiting plates are adapted to limit the longitudinal movement of the busbar in the insertion hole.

[0024] Further, rod holes are arranged on the ear plates, and the rod holes between the two ear plates at the upper end are provided with an upper pressing rod, and the rod holes between the two ear plates at the lower end are provided with a lower pressing rod.

[0025] A plurality of clamping grooves for positioning the contact pieces are arranged at the upper and lower ends of the auxiliary support and the bottom plate, and the clamping grooves are distributed at equal intervals.

[0026] The upper pressing rod is adapted to press and hold the upper contact head assembly between the auxiliary support and the bottom plate, and the lower pressing rod is adapted to press and hold the lower contact head assembly between the auxiliary support and the bottom plate.

[0027] Third aspect:

[0028] Provided is a contact, comprising

[0029] A contact support, an upper contact assembly and a lower contact assembly;

[0030] The contact support is the bridge-type contact support of claim 1 or 6;

[0031] The upper contact assembly is arranged on the upper end of the auxiliary support and the bottom plate and is crimped by an upper pressing rod, and the lower contact assembly is arranged on the lower end of the auxiliary support and the bottom plate and is crimped by a lower pressing rod.

[0032] The utility model has the advantages of:

[0033] The bridge-type contact support is connected by spot welding or riveting of the U-shaped main support and the flat plate auxiliary support, which is convenient for processing and manufacturing, improves production efficiency, and balances the stress on both sides of the support, thereby improving the stability of the support. BRIEF DESCRIPTION OF DRAWINGS

[0034] The utility model will be further described below with reference to the drawings.

[0035] Figure 1 is a schematic view of the bridge-type contact support in example 1;

[0036] Figure 2 is an exploded view of the bridge-type contact support in example 1;

[0037] Figure 3 is a schematic view of the bridge-type contact support in example 2;

[0038] Figure 4 is an exploded view of the bridge-type contact support in example 2;

[0039] Figure 5 is a schematic view of a contact;

[0040] wherein,

[0041] 1, main support, 11, side plate, 12, bottom plate, 13, ear plate, 14, first limiting plate;

[0042] 2, auxiliary support, 21, second limiting plate;

[0043] 31, insertion hole, 32, insertion plate;

[0044] 4, support baffle;

[0045] 51, upper contact assembly, 52, lower contact assembly. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely in combination with the drawings below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0047] Embodiment 1

[0048] As shown in Figure 1 and Figure 2 , a bridge type contact support comprises

[0049] A main support 1, which is a U-shaped structure, comprises a pair of side plates 11 and a bottom plate 12, and the upper and lower ends of the side plates 11 are respectively formed with lug plates 13 for mounting pressure rods.

[0050] A sub support 2, which is a flat plate structure.

[0051] The sub support 2 is respectively provided with a bushing 31 on both sides, and the front end of the side plate 11 is formed with a plug-in plate 32, which passes through the bushing 31, and the protruding part of the plug-in plate 32 is riveted or welded with the sub support 2 to fixedly connect the sub support 2 with the main support 1.

[0052] In the embodiment, the main support 1 and the sub support 2 are both made of non-magnetic material to cut off the magnetic circuit.

[0053] The width of the plug-in plate 32 is smaller than that of the side plate 11, and a step is formed between them, which is used for cooperation of the sub support 2.

[0054] When riveting, the two ends of the protruding part of the plug-in plate 32 are riveted to press the two ends against the sub support 2, so as to limit the sub support 2 from being pressed against the front end of the side plate 11.

[0055] When welding, the protruding part of the plug-in plate 32 is spot-welded with the sub support 2, and after the welding between the sub support 2 and the plug-in plate 32, the sub support 2 is limited from moving on the plug-in plate 32.

[0056] Specifically, as an optional implementation manner in the embodiment, as shown in Figure 1 and Figure 2 , the front end of the plug-in plate 32 is provided with a first limiting plate 14, and the two first limiting plates 14 are suitable for limiting the transverse displacement of the busbar in the socket.

[0057] In the embodiment, the first limiting plate 14, the plug-in plate 32 and the side plate 11 are all integral structures, which are integrally formed in the process of stamping the main support 1.

[0058] Two first limiting plates 14 are arranged on both sides of the busbar socket in the contact holder, so as to limit the left and right movement of the external busbar in the socket.

[0059] Specifically, as an optional embodiment in the embodiment, as shown in Figure 1 and Figure 2 shown, a pair of second limiting plates 21 are arranged on the auxiliary holder 2, and the second limiting plates 21 are adapted to limit the longitudinal position of the busbar in the socket and limit the spacing between the auxiliary holders 2.

[0060] The second limiting plate 21 is an integral structure with the auxiliary holder 2, and the second limiting plate 21 is a triangular structure.

[0061] Specifically, as an optional embodiment in the embodiment, as shown in Figure 1 and Figure 2 shown, the auxiliary holder 2 extends laterally at the end to form a holder baffle 4.

[0062] The holder baffle 4 is used to cooperate with the circuit breaker base, the base is provided with a hook, and the hook cooperates with the holder baffle 4 to limit the position of the contact holder in the base.

[0063] Specifically, as an optional embodiment in the embodiment, as shown in Figure 1 and Figure 2 shown, a rod hole is formed in the ear plate 13, and an upper pressing rod is arranged between the rod holes of the two upper ear plates 13, and a lower pressing rod is arranged between the rod holes of the two lower ear plates 13.

[0064] A plurality of clamping grooves for positioning the contact piece are formed in the upper and lower ends of the auxiliary holder 2 and the bottom plate 12, and each clamping groove is distributed at equal intervals.

[0065] The upper pressing rod is adapted to press the upper contact assembly 51 between the auxiliary holder 2 and the bottom plate 12, and the lower pressing rod is adapted to press the lower contact assembly 52 between the auxiliary holder 2 and the bottom plate 12.

[0066] In the embodiment, how the pressing rod presses the contact assembly can be referred to the prior patent-CN218414310U-heat dissipation type power switch cabinet contact.

[0067] The bridge type contact holder of the embodiment, because the pair of side plates 11 of the main holder 1 are inserted into the insertion hole 31 of the auxiliary holder 2, and spot welding and riveting limit the movement of the auxiliary holder 2 along the side plate 11, the auxiliary holder 2 can effectively limit the opening of the U-shaped mouth of the main holder 1, and the whole bridge type contact holder is left-right symmetrical and balanced in stress.

[0068] The main holder 1 with a U-shaped structure and the auxiliary holder 2 with a flat plate structure are relatively convenient to process and manufacture, which reduces the manufacturing difficulty of the whole bridge type contact holder.

[0069] Embodiment 2

[0070] As shown in Figure 3 and Figure 4 , a bridge type contact support comprises

[0071] a main support 1, which is a U-shaped structure, comprising a pair of side plates 11 and a bottom plate 12, the upper and lower ends of the side plates 11 are respectively formed with lug plates 13 for mounting pressure rods, and the front end of the side plates 11 is provided with a first limiting plate 14;

[0072] a secondary support 2, which is a flat plate structure;

[0073] The secondary support 2 is located in the U-shaped opening of the main support 1, and the two ends of the secondary support 2 are respectively formed with insertion plates 32, and the side plates 11 are provided with insertion holes 31, the insertion plates 32 pass through the insertion holes 31, and the protruding portions of the insertion plates 32 and the secondary support 2 are riveted or welded to fixedly connect the secondary support 2 and the main support 1.

[0074] The first limiting plate 14 is an integral structure with the main support 1 and is formed by stamping.

[0075] When riveting, the two ends of the protruding portion of the insertion plate 32 are riveted to abut the outer surface of the side plate 11, thereby limiting the left and right movement of the secondary support 2 in the main support 1.

[0076] When welding, the protruding portion of the insertion plate 32 and the side plate 11 are spot welded.

[0077] Specifically, as an optional embodiment in the embodiment, as shown in Figure 3 and Figure 4 , a pair of second limiting plates 21 are arranged on the secondary support 2, and the second limiting plates 21 are adapted to limit the vertical movement of the busbar in the insertion port.

[0078] Specifically, as an optional embodiment in the embodiment, as shown in Figure 3 and Figure 4 , a rod hole is formed in the lug plate 13, and an upper pressure rod is arranged between the rod holes of the two upper lug plates 13, and a lower pressure rod is arranged between the rod holes of the two lower lug plates 13;

[0079] A plurality of clamping grooves for positioning the contact piece are formed at the upper and lower ends of the secondary support 2 and the bottom plate 12, and the clamping grooves are equally spaced.

[0080] The upper pressure rod is adapted to press and hold the upper contact assembly 51 between the secondary support 2 and the bottom plate 12, and the lower pressure rod is adapted to press and hold the lower contact assembly 52 between the secondary support 2 and the bottom plate 12.

[0081] In this embodiment, how the pressure rod press-fits the contact assembly can refer to the prior patent-CN218414310U-heat dissipation type power switch cabinet contact.

[0082] The bridge type contact support of the embodiment has the following advantages: the insertion hole 31 is arranged on the side plate 11 of the main support 1, then the two ends of the auxiliary support 2 are inserted into the main support 1, and the riveting and spot welding restrict the U-shaped opening of the main support 1 in the auxiliary support 2 to move left and right, and the two ends of the auxiliary support 2 are located in the insertion hole 31 to restrict the auxiliary support 2 to move forward and backward in the U-shaped opening, and the connection of the auxiliary support 2 in the contact support has high stability of the forward and backward position.

[0083] The main support 1 with the U-shaped structure and the auxiliary support 2 with the flat plate structure are convenient to process and manufacture, and reduce the manufacturing difficulty of the entire bridge type contact support.

[0084] Embodiment 3

[0085] As shown in Figure 5 A contact includes

[0086] a contact support, an upper contact assembly 51, and a lower contact assembly 52.

[0087] The contact support adopts the bridge type contact support of embodiment 1.

[0088] The upper contact assembly 51 is arranged on the upper end of the auxiliary support 2 and the bottom plate 12, and is press-fitted by the upper pressure rod, and the lower contact assembly 52 is arranged on the lower end of the auxiliary support 2 and the bottom plate 12, and is press-fitted by the lower pressure rod.

[0089] The contact of the embodiment can refer to the prior patent-CN218414310U-heat dissipation type power switch cabinet contact, and the difference lies in the improvement of the support structure.

[0090] The contact supports of embodiments 1 and 2 are convenient to produce and manufacture, and the support structure is stable and reliable, so that the performance of the contact adopting the above contact support is also improved, and the production efficiency of the contact is also improved.

[0091] Each device (parts without specific structure) selected in the application is a general standard part or a part known to those skilled in the art, and its structure and principle can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0092] In the description of the embodiments of the utility model, unless another definite provision and limitation, the term " install " " link " " connection " should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0093] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0094] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. The device embodiments described above are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, and for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed mutual ones can be through some communication interface, indirect coupling or communication connection of the devices or units, which can be electrical, mechanical or other forms.

[0095] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, i.e. they can be located in one place or distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0096] In addition, the functional units in each embodiment of the utility model can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0097] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A bridge-type contact bracket, characterized in that, include The main support is a U-shaped structure, which includes a pair of side plates and a bottom plate. The upper and lower ends of the side plates are respectively formed into ear plates for installing pressure rods. Sub-support, wherein the sub-support is a flat plate structure; The secondary bracket has insertion holes on both sides, and a plug-in plate is formed at the front end of the side plate. The plug-in plate passes through the insertion holes, and the protruding part of the plug-in plate is riveted or welded to the secondary bracket to fix the secondary bracket to the main bracket.

2. The bridge-type contact bracket according to claim 1, characterized in that, The front end of the plug-in plate is provided with a first limiting plate, and the two first limiting plates are adapted to restrict the busbar from making lateral displacement within the plug-in port.

3. The bridge-type contact bracket according to claim 1, characterized in that, The secondary support is provided with a pair of second limiting plates, which are adapted to restrict the busbar from moving longitudinally within the socket.

4. The bridge-type contact bracket according to claim 1, characterized in that, The side plate extends laterally from the end of the secondary support, and the extended part forms a support baffle.

5. The bridge-type contact bracket according to claim 1, characterized in that, Rod holes are provided on the ear plates, an upper pressure rod is provided between the rod holes of the two upper ear plates, and a lower pressure rod is provided between the rod holes of the two lower ear plates; Multiple slots for positioning contact pieces are provided at both the upper and lower ends of the sub-support and the base plate, and the slots are evenly spaced. The upper pressure rod is adapted to press the upper contact assembly between the sub-support and the base plate, and the lower pressure rod is adapted to press the lower contact assembly between the sub-support and the base plate.

6. A bridge-type contact bracket, characterized in that, include The main support is a U-shaped structure, which includes a pair of side plates and a bottom plate. The upper and lower ends of the side plates are respectively formed with ear plates for installing pressure rods, and a first limiting plate is provided at the front end of the side plates. Sub-support, wherein the sub-support is a flat plate structure; The secondary support is located inside the U-shaped opening of the main support. The two ends of the secondary support are respectively formed into plug-in plates. The side plate is provided with a plug hole. The plug-in plate passes through the plug hole. The protruding part of the plug-in plate is riveted or welded to the secondary support to make the secondary support fixedly connected to the main support.

7. The bridge-type contact bracket according to claim 6, characterized in that, The secondary support is provided with a pair of second limiting plates, which are adapted to restrict the busbar from moving longitudinally within the socket.

8. The bridge-type contact bracket according to claim 6, characterized in that, Rod holes are provided on the ear plates, an upper pressure rod is provided between the rod holes of the two upper ear plates, and a lower pressure rod is provided between the rod holes of the two lower ear plates; Multiple slots for positioning contact pieces are provided at both the upper and lower ends of the sub-support and the base plate, and the slots are evenly spaced. The upper pressure rod is adapted to press the upper contact assembly between the sub-support and the base plate, and the lower pressure rod is adapted to press the lower contact assembly between the sub-support and the base plate.

9. A contact, characterized in that, include Contact support, upper contact assembly, and lower contact assembly; The contact support adopts the bridge-type contact support as described in claim 1 or 6; The upper contact assembly is disposed at the upper end of the sub-support and the base plate and is pressed by the upper pressure rod, and the lower contact assembly is disposed at the lower end of the sub-support and the base plate and is pressed by the lower pressure rod.

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